Combined blasting gun and chute



Dec. lgzz- 1,520,343

' N. P. GREEN COMBINED BLASTING GUN AND CHUTE Filed June 27, 1924 Jiav'en (for %m/s Pkzar Mfume Patented Dec. 23, E924,

. FFICE,

NORRIS P. GREEN, F MONTEOSE, COLORADO.

COMBINED BLASTING GUN AND CE'U'CIJE.

Application filed June27, 1924. Serial No. 722,777.

To all whom it may concern:

Be it known that IyNomus P. GREEN, a citizen of the United States, residing at Montrose, in the county of Montrose and 'State of Colorado, have invented new and useful Improvements in Combined Blasting Guns and Chutes, of which the following is a specification.

This invention relates to improvements 1n combined blasting guns and chutes.

The principal object of this invention is to provide means whereby ore may be blasted from a chute Without the necessity of an operator. exposing-himself beneath'the overhanging ore.

Another object is to provide means for discharging an explosive charge into an overhanging body of ore from a point outside of the chute.

A still further object is to provide a device of this character which is simple in construction, economical to manufacture, highly eflicient in use, and one which will not materially alter the construction of the present chute. p

Other objects and advantages will be apparent during the course of the following description.

In the accompanying drawings forming a part of this specification, and in which l ke numerals are employed to designate l1ke parts throughout the same,

Figure l is a side elevation of the blasting gun shown partly in section, disclosing the same positioned on a beam of the ore chute, and

Figure 2 is a vertic'al cross-section of an ore chute showing the blasting gun POSI- tioned therebeneath.

Heretofore, when the ore in a chute has become packed it has been necessary to place a ladder of considerable length in the chute, and after the ladder has been thus positioned the operator has been compelled to climb upwardly and place an explosive charge in the overhanging ore. This procedure is exceedingly hazardous and has often resulted in a disaster, and accordingly, to overcome this disadvantage and to eliminate the possibility of danger I have devised my present invention wherein the numeral 5 designates an ore bin having a hopper 6 which hopper has a mouth 7 adapted to discharge into a chute 8. The bin may be supported in any convenient manner and in the present instance, the supporting means comprises uprights 9 and 11 joined by suitable braces 12, 13, 14, 16 and 17.

At 18, I have shown an auxiliary brace extendingacross the supporting frame-work, which brace is adapted to have secured there to a clamp comprising two L-shaped mem bers designated at 19 and 21. A clamping screw 22 is threaded in one leg of the L- shaped member 19 and carries a bolt 23 thereon. This bolt is adapted to contact the auxiliary brace 18, while the remaining leg of the other L-shaped member 21 contacts the opposite side of the brace.

A support 24 is resiliently mounted on the L-shaped members by springs 26 surrounding pins 27 secured in the bottom of the support 24. A gun designated as a Whole by the numeral 28 is pivoted at 29 to the support 24 and is provided with a re coil mechanism 31. A segment 32 acts in conjunction with the support 24 and forms a guide for swinging the gun 28 about its pivotal point 29.

A blasting charge 33 and a cartridge 34 isplaced within the gun, the cartridge being exploded in the usual manner, that is, by the action of a hammer striking the concussion cap. A firing line 36 may be employed for operating the trigger if desired. At 37 I have shown a small opening formed in the bottom of the chute 8 through which the charge in the gun may be discharged, as in dicated in dotted lines of Figure 2.

The manner of'operating my device is as follows The entire device is clamped to the auxiliary brace and the gun aimed so as to discharge through the opening 37 It is to be observed that the direction the char e is to take may be varied ,by swinging t e gun upon its pivotal point. After proper adjustment has been made the trigger is pulled with the result that the explosive charge passes upwardly into the body of ore exploding when coming into contact with the same, thus breaking down the arch formation and allowing the ore to pass into the chute.

It is to be understood that the form of my invention herewith shown and described is to be taken as a preferred example of the same, and that various changes in the shape, size and arrangement of parts may be resorted to without departing from the spirit of the invention or the scope of the subjoined claims.

Ill

Having thus described my invention, I claim v ,1. In combination with an ore bin and its chute,-of a charge carrying gun mounted beneath the chute, and means for firing said gun'through said chute whereby the ore in the bin is released, substantially as and for the purpose described.

2. In combination with an ore bin and its chute, of a charge carrying gun mounted beneath the chute, means connected to said chute for supporting said gun, and means for discharging said gun through'said chute so as to engage the ore within said bin.

3. In a device of the characterdescribed,

the combination with an ore bin having a hopper positioned therein and a chute positioned therebelow, said chute having an oribrace. supported below-said chute, a clamp secured to said brace, a gun mounted on said clampand 'ada ted to be discharged through said chute an into ,said ore bin, and recoiling means carried by said n, substantially as and for the purpose (i scribed.

In testimony whereof I aflix my si ature.

' NORRIS P. GR EN. 

